CVE-2021-20621 json
Cross-site request forgery (CSRF) vulnerability in Aterm WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and…
published 5y ago modified 4mo ago also EUVD-2021-8039
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
Cross-site request forgery (CSRF) vulnerability in Aterm WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.
Patch / fix
- aterm.jp/support/tech/2019/0328.html advisory
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Check with FencerExploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- NEC Corporation Aterm WG2600HP and Aterm WG2600HP2
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
aterm.jp
/support/tech/2019/0328.html
patch, vendor-advisory
-
jpn.nec.com
/security-info/secinfo/nv21-005.html
third-party-advisory
-
jvn.jp
/en/jp/JVN38248512/index.html
third-party-advisory
Sources
- CVE List CVE-2021-20621
- NVD CVE-2021-20621
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